Definition of the term Migration
Spreading or creeping of a constituent of a compound onto/into adjacent surfaces. See bleeding.
Spreading or creeping of a constituent of a compound onto/into adjacent surfaces. See bleeding.
A manufactured structural wood beam. It is constructed of pressure and adhesive bonded wood strands of wood. They have a higher strength rating than solid saw lumber. Normally comes in l " thickness' and 9", 11" and 14" widths.
Sheets of metal that are slit and drawn out to form openings. Used as a plaster base for walls and ceilings and as reinforcing over other forms of plaster base.
Brake metal or metal extrusions which are secured at the perimeter of the roof to form a weather-tight seal.
A generic term relating to a variety of sheet goods used for certain built-up roofing repairs and application.
The temperature at which solid asphalt becomes a liquid.
A lien on real property, created by statue in many years, in favor of persons supplying labor or materials for a building or structure for the value of labor or materials supplied by them. In some jurisdictions, a mechanics lien…
The maximum number of people permitted in a room. It is measured per foot for each width of exit door. The maximum is 50 per foot of exit.
Lumber that is dressed and shaped on one edge in a grooved pattern and on the other in a tongued pattern.
Heavy-consistency compound that may remain adhesive and pliable with age. Is typically a waterproof compound applied to exterior walls and roof surfaces.